08-Jan-2022 08:52:12

pendulum_nonlinear_exact_test():
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2
  Test pendulum_nonlinear_exact().

  Parameters:
    g     = 9.81
    l     = 2
    m     = 1
    t0    = 0
    y0    = (3.11018,0)
    tstop = 50


  Initial angular deflection = 3.11018 radians
  Initial angular velocity   = 0 radians/second
  Initial energy             = 9.80758
  Energy needed to flip      = 9.81

pendulum_nonlinear_ode23():
  Test pendulum_nonlinear_ode using ode23.
  Number of adaptive steps = 413
  Graphics saved in "pendulum_nonlinear_ode23_theta.png"
  Graphics saved in "pendulum_nonlinear_ode23_thetadot.png"
  Graphics saved in "pendulum_nonlinear_ode23_phase.png"
  Graphics saved in "pendulum_nonlinear_ode23_energy.png"

pendulum_nonlinear_ode23():
  Normal end of execution.

pendulum_nonlinear_midpoint():
  Test pendulum_nonlinear_ode using midpoint().
  Number of fixed size steps = 400
  Graphics saved in "pendulum_nonlinear_midpoint_theta.png"
  Graphics saved in "pendulum_nonlinear_midpoint_thetadot.png"
  Graphics saved in "pendulum_nonlinear_midpoint_phase.png"
  Graphics saved in "pendulum_nonlinear_midpoint_energy.png"

pendulum_nonlinear_midpoint:
  Normal end of execution.

pendulum_nonlinear_exact_test():
  Normal end of execution.

08-Jan-2022 08:52:23
[Warning: "../pendulum_nonlinear_exact()" not found in path.] 
[> In rmpath (line 71)
  In pendulum_nonlinear_exact_test (line 61)
  In run (line 91)]